We investigate the Hawking radiation of a GMGHS charged black hole from the heterotic string scenario by the massive particles turmeling method. We consider the spacetime background to be dynamical, incorporate the se...We investigate the Hawking radiation of a GMGHS charged black hole from the heterotic string scenario by the massive particles turmeling method. We consider the spacetime background to be dynamical, incorporate the self-gravitation effect of the emitted particles and show that the tunneling rate is related to the change of Bekenstein- Hawking entropy and the derived emission spectrum does not deviate from the pure thermal spectrum of Schwrzschild＇s black hole.展开更多
Using Damour-Ruffini method,we investigate Hawking radiation from NUT-Taub-like(NT-like) black hole.Considering the total energy conservation and the back reaction of the particle to the spacetime,we get the radiation...Using Damour-Ruffini method,we investigate Hawking radiation from NUT-Taub-like(NT-like) black hole.Considering the total energy conservation and the back reaction of the particle to the spacetime,we get the radiation spectrum on the black hole event horizon,which is related to the change of Bekenstein-Hawking entropy.Meanwhile,we find that the radiation is not exactly thermal,and can take out information from the black hole,which can be used to explain the information loss paradox.The result that we get satisfies the unitary theory of quantum mechanics and is consistent with the work finished before.展开更多
基金Supported by the Universidad Nacional de Colombia.Hermes Project Code 17318
文摘We investigate the Hawking radiation of a GMGHS charged black hole from the heterotic string scenario by the massive particles turmeling method. We consider the spacetime background to be dynamical, incorporate the self-gravitation effect of the emitted particles and show that the tunneling rate is related to the change of Bekenstein- Hawking entropy and the derived emission spectrum does not deviate from the pure thermal spectrum of Schwrzschild＇s black hole.
文摘Using Damour-Ruffini method,we investigate Hawking radiation from NUT-Taub-like(NT-like) black hole.Considering the total energy conservation and the back reaction of the particle to the spacetime,we get the radiation spectrum on the black hole event horizon,which is related to the change of Bekenstein-Hawking entropy.Meanwhile,we find that the radiation is not exactly thermal,and can take out information from the black hole,which can be used to explain the information loss paradox.The result that we get satisfies the unitary theory of quantum mechanics and is consistent with the work finished before.
